<template>
  <div>
    <a-form-model ref="form" :model="model" :rules="validatorRules">
      <a-form-model-item required prop="username">
        <a-input v-model="model.username" size="large" placeholder="请输入帐户名">
          <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }"/>
        </a-input>
      </a-form-model-item>
      <a-form-model-item required prop="password">
        <a-input v-model="model.password" size="large" type="password" autocomplete="false" placeholder="请输入密码">
          <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }"/>
        </a-input>
      </a-form-model-item>

      <a-row :gutter="0">
        <a-col :span="16">
          <a-form-model-item required prop="inputCode" class="inputCode">
            <a-input v-model="model.inputCode" size="large" type="text" placeholder="请输入验证码">
              <a-icon slot="prefix" type="smile" :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-model-item>
        </a-col>
        <a-col :span="8" style="text-align: right">
          <img v-if="requestCodeSuccess" style="margin-top: 2px;" :src="randCodeImage" @click="handleChangeCheckCode"/>
          <img v-else style="margin-top: 2px;" src="../../assets/checkcode.png" @click="handleChangeCheckCode"/>
        </a-col>
      </a-row>
    </a-form-model>
  </div>
</template>

<script>
  import { getAction } from '@/api/manage'
  import { mapActions } from 'vuex'

  export default {
    name: 'LoginAccount',
    data() {
      return {
        requestCodeSuccess: false,
        randCodeImage: '',
        currdatetime: '',
        loginType: 0,
        model: {
          username: '',
          password: '',
          inputCode: ''
        },
        validatorRules: {
          username: [
            { required: true, message: '请输入用户名!' },
            { validator: this.handleUsernameOrEmail }
          ],
          password: [{
            required: true, message: '请输入密码!', validator: 'click'
          }],
          inputCode: [{
            required: true, message: '请输入验证码!'
          }]
        }

      }
    },
    created() {
      this.handleChangeCheckCode()
    },
    methods: {
      ...mapActions(['Login']),
      /** 刷新验证码 */
      handleChangeCheckCode() {
        this.currdatetime = new Date().getTime()
        this.model.inputCode = ''
        getAction(`/sys/randomImage/${this.currdatetime}`).then(res => {
          if (res.success) {
            this.randCodeImage = res.result
            this.requestCodeSuccess = true
          } else {
            this.$message.error(res.message)
            this.requestCodeSuccess = false
          }
        }).catch(() => {
          this.requestCodeSuccess = false
        })
      },
      // 判断登录类型
      handleUsernameOrEmail(rule, value, callback) {
        const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
        if (regex.test(value)) {
          this.loginType = 0
        } else {
          this.loginType = 1
        }
        callback()
      },
      /**
       * 验证字段
       * @param arr
       * @param callback
       */
      validateFields(arr, callback) {
        let promiseArray = []
        for (let item of arr) {
          let p = new Promise((resolve, reject) => {
            this.$refs['form'].validateField(item, (err) => {
              if (!err) {
                resolve()
              } else {
                reject(err)
              }
            })
          })
          promiseArray.push(p)
        }
        Promise.all(promiseArray).then(() => {
          callback()
        }).catch(err => {
          callback(err)
        })
      },
      acceptUsername(username) {
        this.model['username'] = username
      },
      // 账号密码登录
      handleLogin(rememberMe) {
        this.validateFields(['username', 'password', 'inputCode'], (err) => {
          if (!err) {
            let loginParams = {
              username: this.model.username,
              password: this.model.password,
              captcha: this.model.inputCode,
              checkKey: this.currdatetime,
              remember_me: rememberMe
            }
            console.log('登录参数', loginParams)
            this.Login(loginParams).then((res) => {
              this.$emit('success', res.result)
            }).catch((err) => {
              // update-begin-author: taoyan date:20220425 for: 登录页面，当输入验证码错误时，验证码图片要刷新一下，而不是保持旧的验证码图片不变 #41
              if (err && err.code === 412) {
                this.handleChangeCheckCode()
              }
              // update-end-author: taoyan date:20220425 for: 登录页面，当输入验证码错误时，验证码图片要刷新一下，而不是保持旧的验证码图片不变 #41
              this.$emit('fail', err)
            })
          } else {
            this.$emit('validateFail')
          }
        })
      }


    }

  }
</script>

<style lang="less" scoped>
  .inputCode {
    margin: 0 !important;
  }
</style>
